Door Glass Run Question

[Tillik]

My 67 upper door glass run/felt is cracked and broken. I purchased some replacements from GMC Paul. When I went to change it, I noticed the factory seal goes way down into the door along a track. Also, the shape of the seal guides down this v-shaped channel. The new square channel fits great on the upper sections but doesn't fit in the v-channel run at all. Do I need to purchase 2 separate pieces to seal the upper as well as the lower v? The new square piece isn't near as long as the factory one i'm removing. I'm fairly sure I'm missing something simple. I put the original back in for now but the window binds when rolling it up and down. Still surprised how much you learn while working on our trucks...

Attached are the shape that goes into the V-channel of my door, the Square one I purchased and an approx coverage the new square one has on my door.

[LockDoc]

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Looks to me like the new one you purchased is for the wing window channel. The one for the top and rear area of the door glass should be one piece all the way down into the door and should not be as firm as the channel for the wing window. It also has slots in the back side where it bends around the corner....

LockDoc

[AirSpeed]

The felt piece goes in the straight channel on the front edge of the glass, you'll need to pull the wing assembly out and drill out a few rivets then rivet the new one in place. When I did mine I used a regular rivet gun that I modified to fit in the channel, I ground the sides of the barrel down flat on two sides so it would fit in the channel.

[Tillik]

Well that makes perfect sense. Thanks for the replies. Anyone have a preference on a new seal/run? I've had good luck with precision seals, just not sure they offer this one.